Gparted live CD/iso boot correctly, I select the default option "GParted live default settings" in the GRUB menu (GRUB 1.99-23.1), set the keyboard layout and preferred language. When it comes to the video mode choice, I tried all the following options:

I tried the different tips provided by the GParted Live documentation regarding booting without success. I disabled the "Enable EFI" setting for my VM in Virtualbox, than GParted boot normally and the graphical environment seems to works properly.
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g0lemMar 14 '13 at 20:36